That’s a classic battlefield problem—balance risk with reward. First, map each trainee’s current level with a quick chart: red for “needs caution,” yellow for “can push,” green for “ready for a challenge.” Then lay out zones that scale in difficulty: a soft‑ground area for warm‑ups, a sandbag section for impact training, and a harder obstacle lane for advanced drills. Keep a safety checkpoint in the middle, so anyone can step back if they’re overwhelmed. Remember to rotate the stations so no one stays in one zone too long—fresh terrain keeps the mind sharp. And keep a pair of vintage pens handy for handwritten notes on the spot; a quick scribble can save a lot of wasted time later.

Color‑coded gear is a smart move—green for light gear, blue for medium, red for heavy—so everyone knows what they’re wearing at a glance. And that first‑aid kit right next to the checkpoint is a must; you’ll never know when someone will need a quick fix. Make sure the safety check is strict—no one should hit the hard obstacles without full gear on. Remember, “slow progress is better than no progress,” so keep the pace steady and the focus sharp.